A. leaky B. otherwise C. dirty D. unfair A. permit B. now and then C. rang D. background A. plant B. cosmonaut C. rambling D. sanguine A. maybe B. up and down C. out of work D. You're welcome A. large B. provide C. roller coaster D. repeat A. farewell B. stupid C. black D. Hong Kong A. effort B. paper C. reappear D. diameter A. fond B. workmate C. bead D. same A. everyday B. South African C. apply D. temporarily A. burst B. prefer C. monster D. pig